In Jainism, there is no specific sutra dedicated solely to the flute. Jain Agamas and scriptures focus primarily on spiritual teachings, ethical conduct, philosophy, and the path to liberation. While musical instruments, including the flute, may be mentioned incidentally in Jain literature—often in the context of describing heavenly enjoyment or worldly pleasures to be renounced—they are not the subject of dedicated sutras.

Jain texts sometimes mention music and instruments as part of descriptions of celestial beings (devas) or in stories illustrating the nature of sensual pleasures. However, these references serve to highlight the importance of detachment (vairagya) and the practice of self-restraint (samyama), not to prescribe or instruct on the use of musical instruments.

If you are seeking a reference about the flute in Jain literature, you may find passing mentions in texts like the Kalpa Sūtra or the Ācāranga Sūtra, but these are not instructional or devotional sutras about the flute itself. The primary focus of Jain sutras remains on right faith, right knowledge, and right conduct.

If you are interested in Jain views on music or arts, please let me know!